________ anything like this style of architecture before, we thought we were looking at giant sculptures, not buildings.
#91675
A
We had never seen
B
Never having seen
C
Never being seen
D
Never had we seen
推荐题目
To get into the habit of smoking means ____ one's own life short.
#98022
A
to make
B
makes
C
making
D
make
The parents rushed to the school, only ______ that their son had left without a word.
#96428
A
to tell
B
to be told
C
being told
D
having told
So far, several cases of a disease, as bird flu, are reported to have been found in the country.
#96545
A
knowing
B
to be known
C
having known
D
known
This machine is very easy _______. Anybody can learn to use it in a few minutes.
#90906
A
operating
B
to be operating
C
operated
D
to operate